The 4C and Sapphires Grading

The 4C and Sapphires Grading

The famous 4C that is the of Diamond pricing Bible doesn’t work for Sapphire. When I started my first steps in the trading, a trader told me ” Sure we have the 4C when we price the sapphire C1 – color, C2 – color, C3 – color C4 – color” 🙂 for a Sapphire color is the King and will have very big influence on the value of the stone.

Today some cutter use the excellent grade “precise cut” as a promotion to get a better price for stones with lower color grade I made three charts using the GemePrice calculator for a 1.5-carat blue sapphire. As you can see the difference in the value, between the cut grades “excellent,” very good” and “good” are small